CHARACTERIZATION OF POST-ANNEALING MECHANICAL BEHAVIOR OF PREFORMED ALUMINUM ALLOY 5182-O by Jingjing Li A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy (Mechanical Engineering) in The University of Michigan 2011 Doctoral Committee: Professor S. Jack Hu, Co-Chair Paul E. Krajewski, Co-Chair, GM Professor J. Wayne Jones Professor Albert J. Shih